Case for a headphone



FIG. 1 is a top plan view of a case for a headphone showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a front elevational view thereof in the open position;

FIG. 8 is a top plan view of FIG. 7;

FIG. 9 is a right side elevational view thereof; and

FIG. 10 is a perspective view thereof. 

The ornamental design for a case for a headphone, as shown and described. 